Sony Ericsson K550 vs i-mobile 638CG
Sony Ericsson K550
i-mobile 638CG
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-22009
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height102 mm113 mm
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Width46 mm51 mm
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Thickness14 mm14.5 mm
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Weight85 g
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ColorsJet Black, Pearl White, Plum Ruby, Sophisticated SilverBlack
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Display
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Display typeTFDTFT
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Physical size1.9 inches2.4 inches
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Resolution176 x 220 pixels240 x 320 pixels
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Pixel density148 ppi167 ppi
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Display colors262144262144
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Hardware
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Internal storage77 MB25 MB
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Memory cardMemory Stick Micro (M2)microSD
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Memory card max2 GB8 GB
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1632 x 1224 pixels2048 x 1536 pixels
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Primary camera videoQCIFvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3, AAC ringtones, composerVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLAN
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USB2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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InfraredYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmail-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesNo
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Java MIDPMIDP 2.0-
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Browser
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HTMLHTML (NetFront)-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity950 mAh1050 mAh
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Talk time7 h8 h 30 min
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Standby time350 h400 h
